Introduction
This manual provides instructions for the safe and efficient use of your Feit Electric C4000/5K/LED LED Light Bulb. Please read all instructions carefully before installation and operation.
Safety Information
Observe the following safety precautions to prevent injury or product damage:
- Use only on 120-volt circuits.
- Suitable for damp locations.
- Minimum starting temperature: -20°C (-4°F).
- This device is not intended for use with emergency exit fixtures or emergency lights.
- Do not use with dimmers, as this bulb is non-dimmable.
- Do not install this bulb into a fixture where the base of the bulb faces down if the fixture has a bottom that would prevent air circulation. Adequate ventilation is required.
- Always turn off power before installation or removal.
- This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Setup: Installation
The Feit Electric C4000/5K/LED LED Light Bulb is designed for easy installation into standard E26 medium base sockets.
- Turn off power: Before attempting any installation, ensure the power to the fixture is turned off at the circuit breaker.
- Remove old bulb: Carefully unscrew and remove the existing light bulb from the fixture.
- Inspect fixture: Ensure the fixture is clean and dry. Verify that the fixture's socket is an E26 medium base.
- Screw in new bulb: Gently screw the Feit Electric C4000/5K/LED LED Light Bulb into the E26 medium base socket until it is snug. Do not overtighten.
- Restore power: Turn the power back on at the circuit breaker.

This bulb may come with an adapter for different socket types. If your fixture requires a different base, use the provided adapter as needed.

Operating Instructions
The Feit Electric C4000/5K/LED LED Light Bulb provides instant-on, full brightness illumination.
- Power On/Off: Use the standard wall switch or fixture control to turn the light bulb on or off.
- Brightness: This bulb delivers 4000 lumens of bright, 5000K Daylight colored light. It is non-dimmable.
- Applications: Ideal for large areas such as yards, barns, warehouses, garages, and other outdoor lighting needs where high lumen output is desired.


Maintenance
The Feit Electric C4000/5K/LED LED Light Bulb is designed for long-lasting, maintenance-free operation.
- Cleaning: Ensure the power is off before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners.
- Lifespan: This LED bulb has an average life of 35,000 hours (approximately 32 years based on 3 hours/day usage).
- Mercury-Free: This product is 100% mercury-free.
Troubleshooting
If you experience issues with your Feit Electric C4000/5K/LED LED Light Bulb, consider the following:
- Bulb does not light up:
- Ensure the power to the fixture is on.
- Check that the bulb is securely screwed into the socket.
- Verify that the circuit breaker has not tripped.
- Test the bulb in a different, known-working fixture.
- Light is flickering:
- Confirm the bulb is not being used with a dimmer switch, as this bulb is non-dimmable.
- Check for loose connections in the fixture or wiring.
- Interference with other devices:
- Some LED bulbs may cause minor interference with certain electronic devices, such as garage door openers or radios. If interference occurs, try moving the bulb or the affected device further apart, or consult the device's manual for solutions.
- Reduced brightness:
- While LED bulbs have a long lifespan, their brightness can gradually decrease over many years. If the bulb is significantly dimmer than expected, it may be nearing the end of its operational life.
Specifications
| Feature | Detail |
|---|---|
| Brand | Feit Electric |
| Model Number | C4000/5K/LED |
| Light Type | LED |
| Wattage | 38 Watts |
| Incandescent Equivalent | 300 Watts |
| Brightness | 4000 Lumens |
| Color Temperature | 5000 Kelvin (Daylight) |
| Bulb Base | E26 Medium |
| Voltage | 120 Volts |
| Average Life | 35,000 Hours (32 Years) |
| Dimmable | No |
| Indoor/Outdoor Usage | Outdoor (Suitable for damp locations) |
| Product Dimensions | 3.25"W x 8.9"H |
| Item Weight | 12 ounces |
| Certification | UL Listed |

Warranty
This Feit Electric product comes with a 2-year warranty against manufacturer defects. If the product fails or you are not satisfied with its performance, contact Feit Electric for instructions on replacement. This replacement is the sole remedy available. Feit Electric is not responsible for incidental or consequential damage. Do not return the bulb to the store.
Support
For further assistance or inquiries, please contact Feit Electric directly.
- Visit the official Feit Electric website for product information and support.
- Refer to the contact information provided on the product packaging or the official brand store for customer service details.





